Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2017 GMC Sierra 3500 HD, 2017 GMC Sierra 2500 HD, 2017 GMC Sierra 1500, 2017 Chevrolet Silverado 3500 HD, and 2017 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Refer to Diagnostic Aids before performing Circuit/System Verification.
- Ignition ON.
- Verify the K43 Power Steering Control Module (if equipped) and the K17 Electronic Brake Control Module do not have any DTCs set.
- If any DTC is set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If the DTC is not set
- If any DTC is set
- Verify that DTC B356A is not set.
- If the DTC is set
Refer to DTC B356A .
- If the DTC is not set
- If the DTC is set
- Verify that DTC B0987 is not set.
- If the DTC is set
Refer to DTC B0987 .
- If the DTC is not set
- If the DTC is set
- Verify that DTC B1011 is not set.
- If the DTC is set
Refer to DTC B1011 .
- If the DTC is not set
- If the DTC is set
- Verify the scan tool Frontview Camera Disable History 1 parameter does not have a current Malfunction
- If the parameter is Malfunction
Refer to Diagnostic Aids.
- If the parameter is Normal
- If the parameter is Malfunction
- Verify the scan tool Frontview Camera System Status parameter is Normal.
- If the parameter is Undefined or Malfunction
Refer to Diagnostic Aids.
- If the parameter is Normal
- If the parameter is Undefined or Malfunction
- Verify the scan tool Lane Departure Warning Switch Status parameter changes between Open and Closed while pressing and releasing the lane departure warning switch.
- If the parameter does not change between Open and Closed
Refer to Lane Departure Warning Switch Malfunction in Circuit/System Testing.
- If the parameter changes between Open and Closed
- If the parameter does not change between Open and Closed
- Verify the scan tool Lane Departure Warning Switch indicator turns on and off while pressing and releasing the lane departure warning switch.
- If the indicator does not turn on and off
Refer to Lane Departure Warning Switch Indicator Malfunction in Circuit/System Testing.
- If the indicator turns on and off
- If the indicator does not turn on and off
- Verify the area of the K109 Frontview Camera Module for contamination.
- If it needs to be cleaned
Clean the windshield.
- If it does not need to be cleaned
- If it needs to be cleaned
- All OK.